{"product_id":"slide-rules-their-history-models-and-makers-9781879335868","title":"Slide Rules: Their History, Models, and Makers","description":"In the hopes of \"preserving these delightful devices for future generations,\" this collector of slide rules covers everything one could possibly want to know about this crude form of analog computer: from its invention in the 17th century to manufacturers- retailers, 1850-1998, and the Oughtred Society for collectors. Includes a glossary with biographies, patent data, component specs, dating and valuing, care, historical milestones, and illustrations\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Peter M. Hopp\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Astragal Press\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/01\/1999\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 312\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.91lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 10.96h x 8.42w x 0.85d\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781879335868","brand":"Astragal Press","offers":[{"title":"Default Title","offer_id":46761350627465,"sku":"9781879335868","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/9240\/6921\/files\/img_f8fb82a6-20f2-4f86-a438-8282cc80cc21.jpg?v=1779166468","url":"https:\/\/sonsanddaughtersbooks.com\/products\/slide-rules-their-history-models-and-makers-9781879335868","provider":"Sons and Daughters Books","version":"1.0","type":"link"}